In 30900 there are [at least] three significant figures.
30.900 has 5 significant figures.
3.
There are three.
3 in A+
The number 30900 has three significant digits: 3, 0, and 9. The trailing zeros are not considered significant unless indicated by a decimal point (e.g., 30900. has five significant digits). Therefore, without a decimal point, the significant digits are limited to the non-zero digits and the leading zero.
30.900 has 5 significant figures.
3.
There are three.
3 in A+
Three. The two zeros on the end are just placeholders. 30900 has 3 significant figures.
How many significant figures are in 20.8
There are 3 significant figures in 94.2.
3 significant figures.
4 significant figures.
5 significant figures.
4 significant figures.
3 significant figures.